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- W2022357835 abstract "view Abstract Citations (28) References (22) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The Weak Magnetic Field of the AP Star Epsilon Ursae Majoris Bohlender, David A. ; Landstreet, J. D. Abstract High-SNR circular polarization measurements in the wings of H-beta have been obtained for the bright A0pCr star Epsilon UMa, throughout its 5.0887-d rotation period. These data suggest that Epsilon UMa possesses an approximately dipolar magnetic field with magnetic extrema of +128 and -64 G. If the inclination of the rotation axis of the star is in the range i = 65 + or - 15 deg, then the obliquity of the magnetic field axis to the rotation axis is between 19 and 84 deg. The observations are compared with recent Doppler imaging studies of the surface abundances of Epsilon UMa. Publication: The Astrophysical Journal Pub Date: July 1990 DOI: 10.1086/185771 Bibcode: 1990ApJ...358L..25B Keywords: A Stars; Magnetic Stars; Peculiar Stars; Stellar Magnetic Fields; Circular Polarization; H Beta Line; Magnetic Field Configurations; Magnetic Flux; Stellar Rotation; Stellar Spectra; Astrophysics full text sources ADS | data products SIMBAD (1)" @default.
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- W2022357835 date "1990-07-01" @default.
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- W2022357835 title "The weak magnetic field of the AP star Epsilon Ursae Majoris" @default.
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